/* 项目资源 */
.source {
    height: 900px;
    width: 100%;
    background: url(../img/projectSourcebg.png) no-repeat center;
    background-size: cover;
    display: flex;
    align-items: center;
}
.source .rectangle {
    width: 1280px;
    height: 770px;
    margin: 0 auto;
    opacity: .9;
    background-color: white;
}
.source .item {
    /* background-color: pink; */
    height: 50%;
}
/* 和team公用了一部分css */